https://www.irishtimes.com/opinion/editorial/the-irish-times-view-on-brexit-day-britain-s-great-leap-backwards-1.4156666
https://www.ifw-kiel.de/fileadmin/Dateiverwaltung/IfW-Publications/-ifw/Kiel_Working_Paper/2022/KWP_2218_Which_countries_help_Ukraine_and_how_/KWP_2218_Trebesch_et_al_Ukraine_Support_Tracker.pdf
https://happiness-report.s3.amazonaws.com/2020/WHR20.pdf